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What method to use for integration is up to you. Trapezoidal integration is build into Matlab. If you imported time as x and Value as y, you can do integration as z=trapz(x,y);<br />
If you also need help to import/output data, please tell more details on your original data format and what you want as output. How large is the dataset? You can also attach an example here.
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What method to use for integration is up to you. Trapezoidal integration is build into Matlab. If you imported time as x and Value as y, you can do integration as z=trapz(x,y);
If you also need help to import/output data, please tell more details on your original data format and what you want as output. How large is the dataset? You can also attach an example here.

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Thank you. Could you also send me how to import and output data in MATLAB. The database is like I have sent you, but it has 500 rows. I want to plot the time vs. z=trapz(x,y) values. Matlab commands for plotting and import/output data will help the most. Thanks again, - okd 
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Thank you. Could you also send me how to import and output data in MATLAB. The database is like I have sent you, but it has 500 rows. I want to plot the time vs. z=trapz(x,y) values. Matlab commands for plotting and import/output data will help the most. Thanks again, - okd

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Helo- I have columns of time history data as shown below. How do I do integration of these data and write in a separate column, i. e., in&quot;Integrated values&quot; column? Do I have to use trapizoidal rule, or simpson rule? Any example of MATLAB command or code will help. Thanks. <br />
<br />
time Value &nbsp; Integrated values<br />
0 &nbsp; &nbsp; &nbsp; &nbsp;0.1<br />
0.1 &nbsp; &nbsp; 2<br />
0.2 &nbsp; &nbsp; 3<br />
0.4 &nbsp; &nbsp; 1
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Helo- I have columns of time history data as shown below. How do I do integration of these data and write in a separate column, i. e., in"Integrated values" column? Do I have to use trapizoidal rule, or simpson rule? Any example of MATLAB command or code will help. Thanks. 

time Value   Integrated values
0        0.1
0.1     2
0.2     3
0.4     1

Integration of time series data

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